/**
 * Created by PanJiaChen on 16 / 11 / 18.
  * /

/**
 * @param {string} path
 * @returns {Boolean}
 */
export function isExternal (path:string):boolean {
  return /^(https?:|mailto:|tel:)/.test(path)
}

/**
 * @param {string} str
 * @returns {Boolean}
 */
export function validUsername (str:string):boolean {
  const validMap = ['admin', 'editor']
  return validMap.indexOf(str.trim()) >= 0
}

/**
 * @param {string} url
 * @returns {Boolean}
 */
export function validURL (url:string) {
  const reg = /^(https?|ftp):\/\/([a-zA-Z0-9.-]+(:[a-zA-Z0-9.&%$-]+)*@)*((25[0-5]|2[0-4][0-9]|1[0-9]{2}|[1-9][0-9]?)(\.(25[0-5]|2[0-4][0-9]|1[0-9]{2}|[1-9]?[0-9])){3}|([a-zA-Z0-9-]+\.)*[a-zA-Z0-9-]+\.(com|edu|gov|int|mil|net|org|biz|arpa|info|name|pro|aero|coop|museum|[a-zA-Z]{2}))(:[0-9]+)*(\/($|[a-zA-Z0-9.,?'\\+&%$#=~_-]+))*$/
  return reg.test(url)
}

/**
 * @param {string} str
 * @returns {Boolean}
 */
export function validLowerCase (str:string) {
  const reg = /^[a-z]+$/
  return reg.test(str)
}

/**
 * @param {string} str
 * @returns {Boolean}
 */
export function validUpperCase (str:string) {
  const reg = /^[A-Z]+$/
  return reg.test(str)
}

/**
 * @param {string} str
 * @returns {Boolean}
 */
export function validAlphabets (str:string) {
  const reg = /^[A-Za-z]+$/
  return reg.test(str)
}

/**
 * @param {string} email
 * @returns {Boolean}
 */
export function validEmail (email:string) {
  // eslint-disable-next-line no-useless-escape
  const reg = /^(([^<>()\[\]\\.,;:\s@"]+(\.[^<>()\[\]\\.,;:\s@"]+)*)|(".+"))@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\])|(([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,}))$/
  return reg.test(email)
}

/**
 * @param {string} str
 * @returns {Boolean}
 */
export function isString (str:string) {
  if (typeof str === 'string') {
    return true
  }
  return false
}

/**
 * @param {Array} arg
 * @returns {Boolean}
 */
export function isArray (arg:unknown) {
  if (typeof Array.isArray === 'undefined') {
    return Object.prototype.toString.call(arg) === '[object Array]'
  }
  return Array.isArray(arg)
}

export function validDecimal (str:string) {
  const reg = /^(([1-9][0-9]*)|(([0]\.\d{1,2}|[1-9][0-9]*\.\d{1,2}))|(0))$/
  return reg.test(str)
}

export function limitDecimal (value) {
  if (validDecimal(value)) {
    return value
  } else {
    if (value.indexOf('.') !== value.length - 1) {
      if (value[0] === '0') {
        return parseInt(value)
      }
      return value.slice(0, value.length - 1)
    } else {
      return value === '.' ? '' : value
    }
  }
}
export function validInt (str:string) {
  const reg = /^(([1-9][0-9]*)|(0))$/
  return reg.test(str)
}

export function limitInt (value) {
  console.log(validInt(value))
  if (validInt(value)) {
    return value
  } else {
    if (value[0] === '0') {
      return parseInt(value)
    }
    return value.slice(0, value.length - 1)
  }
}
